But what if you’ve already celebrated your big day in fantastical style, what next?

Well, a milestone birthday - such as your 30th or 40th - merits free-flowing champagne and the mother of all parties, as Russian model Natasha Poly demonstrated in Amsterdam this weekend.

The pretty face of Michael Kors and La Perla welcomed her beautiful people set to her adopted hometown and feted the big 3-0 in Great Gatsby style, complete with all the pre-requisites for a party to remember:

1. An utterly Instagramable setting
Forget just getting the caterers in, you need a production company to realise your party planner’s vision, with a limitless budges for flowers and flattering lighting.